中国南方沿海地区城市热岛效应与人口的关系研究

基金项目: 国家科技基础性工作专项基金项目2001DEA30029-01;气象中心课题“台站环境改变对我国气温观测的影响研究”(课题号为ZK2002B-1“9”)联合资助

THE STUDY OF RELATIONSHIP BETWEEN HEAT ISLAND EFFECT AND POPULATION IN CITIES OVER SOUTH OF CHINA

1.
Department of Atmospheric Science, School of Physics, Peking University, Beijing 100871, China
2.
Division of Meteorological Data, National Meteorological Center, China Meteorological Administration, Beijing 100871, China

摘要: 利用中国南方地区不同类型人口城市气温1951～2001年期间资料,按人口数把城市分为6类,分别对它们不同季节和全年的气温特征进行分析,发现不同类型人口城市气温差异较大,气温随人口数增加而增加,其与人口数的关系可以用非线性函数来反映。还提出用人口类型城市的气温变化的主分量趋势与自然变化趋势的差值作为热岛效应的估计。
- 热岛效应 /
- 热岛效应估计 /
- 主分量分析 /
- 非线性回归分析
Abstract: The study of relationship between temperature and population in different types of city over South of China has been completed in this paper. The data are selected from NMC in different seasons (winter, spring, summer and autumn) during the period of 1951~2001. The population of cities is divided to six groups according to the density of the population. The results show that temperature increases with the population in different seasons and the whole year. The relationships between them are represented in a nonlinear way. The heat island effect estimation is proposed in this paper. It is defined as the difference between the linear tendency of local population and the natural variation in local temperature variation.
- heat-island /
- heat-island effect estimation /
- principal component analysis /
- nonlinear regression analysis

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